- Selective synthesis of dibenzo[a,c]cyclooctatetraenes via palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives.
Selective synthesis of dibenzo[a,c]cyclooctatetraenes via palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives.
Chemical communications (Cambridge, England) (2010-09-11)
Hui-jun Zhang, Junnian Wei, Fei Zhao, Yun Liang, Zitao Wang, Zhenfeng Xi
PMID20830359
ABSTRACT
Dibenzo[a,c]cyclooctatetraenes were selectively generated in good yields from the palladium-catalyzed [4+4] cyclic homocoupling of borylvinyl iodobenzene derivatives, which were prepared via the selective Suzuki-Miyaura cross-coupling of the gem-diboryl reagents with iodo compounds.
MATERIALS